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Epoxy Matrices Modified by Green Additives for Recyclable Materials
Martin L Henriksen1, Jens B Ravnsbaek2, Morten Bjerring3
1Department of Engineering, Aarhus University, Hangøvej 2, 8200, Aarhus N, Denmark.
Chemsuschem
|May 31, 2017
Summary
A new recyclable epoxy matrix was developed using a bio-based disulfide additive. This green chemistry approach allows for material fractionation under mild conditions while maintaining excellent properties.
Area of Science:
- Materials Science
- Polymer Chemistry
- Green Chemistry
Background:
- Epoxy-based thermosets are widely used but lack recyclability, posing environmental challenges.
- Developing recyclable alternatives is crucial for sustainable industrial practices.
Purpose of the Study:
- To create a recyclable epoxy matrix using a bio-based additive.
- To demonstrate environmentally benign fractionation and property retention.
Main Methods:
- Incorporation of a bio-based disulfide additive into a commercial epoxy system.
- Analysis using Fourier-transform infrared spectroscopy (FTIR) and solid-state Nuclear Magnetic Resonance (NMR).
- Evaluation of mechanical and thermal properties of the modified epoxy matrices.
Main Results:
- The developed material can be fractionated under mild, environmentally friendly conditions.
- Modified epoxy matrices exhibit comparable mechanical and thermal properties to commercial benchmarks.
- Successful demonstration of additive formulation and fractionation adhering to green chemistry principles.
Conclusions:
- A novel, recyclable epoxy matrix has been successfully developed.
- The approach utilizes green chemistry principles for sustainable material design.
- This innovation offers a promising environmentally benign alternative for epoxy-based thermosets.
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